private async ValueTask ExecuteAsyncWithFilter(IAppSession session, TPackageInfo package)
{
var context = new CommandExecutingContext();
context.Package = package;
context.Session = session;
var command = AsyncCommand != null ? (AsyncCommand as ICommand) : (Command as ICommand);
if (command is ICommandWrap commandWrap)
{
command = commandWrap.InnerCommand;
}
context.CurrentCommand = command;
var filters = Filters;
var continued = true;
for (var i = 0; i < filters.Count; i++)
{
var f = filters[i];
if (f is AsyncCommandFilterAttribute asyncCommandFilter)
{
continued = await asyncCommandFilter.OnCommandExecutingAsync(context);
}
else if (f is CommandFilterAttribute commandFilter)
{
continued = commandFilter.OnCommandExecuting(context);
}
if (!continued)
{
break;
}
}
if (!continued)
{
return;
}
try
{
var appSession = (TAppSession)session;
var asyncCommand = AsyncCommand;
if (asyncCommand != null)
{
await asyncCommand.ExecuteAsync(appSession, package);
}
else
{
Command.Execute(appSession, package);
}
}
catch (Exception e)
{
context.Exception = e;
}
finally
{
for (var i = 0; i < filters.Count; i++)
{
var f = filters[i];
if (f is AsyncCommandFilterAttribute asyncCommandFilter)
{
await asyncCommandFilter.OnCommandExecutedAsync(context);
}
else if (f is CommandFilterAttribute commandFilter)
{
commandFilter.OnCommandExecuted(context);
}
}
}
}
/// <summary> /// Called when [command executed]. /// 命令执行后 /// </summary> /// <param name="commandContext">The command context.命令上下文</param> public abstract ValueTask OnCommandExecutedAsync(CommandExecutingContext commandContext);
/// <summary> /// Called when [command executed]. /// 命令执行后 /// </summary> /// <param name="commandContext">The command context.</param> public abstract void OnCommandExecuted(CommandExecutingContext commandContext);
/// <summary> /// Called when [command executing]. /// 命令执行时 /// </summary> /// <param name="commandContext">命令上下文</param> /// <returns>return if the service should continue to process this session.如果服务继续处理此Seesion时返回</returns> public abstract ValueTask <bool> OnCommandExecutingAsync(CommandExecutingContext commandContext);
/// <summary> /// Called when [command executing]. /// 命令执行时 /// </summary> /// <param name="commandContext">The command context.</param> public abstract bool OnCommandExecuting(CommandExecutingContext commandContext);